Planning application - supplementary documents

We may ask you to provide additional information when we are considering your planning application. 

If your proposal is likely to have an impact on the environment, you will need to carry out an Environmental Impact Assessment before you apply. 

Examples of supplementary documents are:

  • Air quality assessment
  • Archaeological survey
  • Bat survey
  • Contaminated land assessment
  • Design and access statements
  • Design statement
  • Drainage certification - septic tank and soakaway
  • Drainage impact assessment
  • Economic statement or economic need 
  • Essential workers house (agricultural)
  • Essential workers house (non-agricultural)
  • Existing and proposed site sections, finished floor and site levels
  • Flood risk assessment
  • Landscaping plan
  • Noise impact assessment
  • Private water supply
  • Restoration plan
  • Retail impact assessment
  • Roof plans
  • Street scene plan
  • Structural engineers report (for conversions, demolition of a listed building, replacement houses)
  • Surface water disposal arrangements including (SUDS)
  • Swept path study or analysis
  • Transport assessment
  • Tree survey
  • Wildlife or habitat surveys

Environmental Impact Assessment

Environmental Impact Assessment (EIA) is a process which identifies the environmental effects of a development proposal. You prepare a plan indicating the proposed location of your development, a brief description of the nature and purpose of your proposal and its possible environmental effects, including any mitigation measures. 

You will need to submit the EIA with your planning application and we will check that it complies with the Environmental Impact Assessment Regulations: